On Wed, 19 Aug 2026 07:43:15 GMT, Prasanta Sadhukhan <[email protected]> 
wrote:

>> [JDK-6328248](https://bugs.openjdk.org/browse/JDK-6328248) fixed PrintJob 
>> (1.1 Graphics API) based JProgressBar printing for most L&F however it seems 
>> to cause ClassCastException in AquaProgressBarUI.paint as non-Graphics2D 
>> path was not handled
>> `Caused by: java.lang.ClassCastException: class sun.print.ProxyPrintGraphics 
>> cannot be cast to class java.awt.Graphics2D (sun.print.ProxyPrintGraphics 
>> and java.awt.Graphics2D are in module java.desktop of loader 'bootstrap') `
>> 
>> FIx is made to render Aqua progress bar into BufferedImage, then drawImage 
>> for non-Graphics2D case where 1.1 PrintJob is used
>> 
>> 
>> 
>> 
>> ---------
>> - [x] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Prasanta Sadhukhan has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   Windows Progrssbar fix

src/java.desktop/macosx/classes/com/apple/laf/AquaProgressBarUI.java line 172:

> 170:             if (isCircular) {
> 171:                 painter.state.set(Widget.PROGRESS_SPINNER);
> 172:                 painter.paint(g, c, 2, 2, 16, 16);

Looks like we need to handle circular progress bar path also. Here also we can 
get legacy Graphics object.

These circular bars seems be present only in Aqua LAF.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/31749#discussion_r3933702763

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